[GHC] #16180: Make addForeignFilePath support asm

[GHC]

#16180: Make addForeignFilePath support asm
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        Reporter:  hsyl20            |                Owner:  hsyl20
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Template Haskell  |              Version:  8.6.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by mpickering):

 Motivation for this is here: https://hsyl20.fr/home/posts/2019-01-15-fast-
 file-embedding-with-ghc.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16180#comment:3>
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